CN210033860U - Hollow cup rotor water pump and new energy automobile - Google Patents
Hollow cup rotor water pump and new energy automobile Download PDFInfo
- Publication number
- CN210033860U CN210033860U CN201920398116.3U CN201920398116U CN210033860U CN 210033860 U CN210033860 U CN 210033860U CN 201920398116 U CN201920398116 U CN 201920398116U CN 210033860 U CN210033860 U CN 210033860U
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- China
- Prior art keywords
- water pump
- bearing
- inner sleeve
- hollow cup
- rotating shaft
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- Withdrawn - After Issue
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000001816 cooling Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 7
- 239000007769 metal material Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 6
- 230000010354 integration Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000306 component Substances 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a coreless rotor water pump and a new energy automobile, the coreless rotor water pump comprises a pump shell, a water pump impeller, a mechanical seal and a motor, a front end cover comprises a top plate, an outer sleeve and an inner sleeve, the outer sleeve downwardly protrudes near the edge position of the top plate, the two ends of the inner sleeve are respectively provided with a first bearing and a second bearing, the mechanical seal is arranged on a rotating shaft, one end of the mechanical seal is propped under the water pump impeller, one end of the mechanical seal is propped on a step, the tail end of the rotating shaft protrudes out of the inner sleeve and is connected with a coreless cup, the coreless cup is arranged at the periphery of the inner sleeve, a permanent magnet is arranged on the outer side surface of the coreless cup, a stator component is arranged on the inner side wall of the coreless cup, the stator component is sleeved at the periphery of the permanent magnet, the stator component, the, the front end cover absorbs most of the heat generated by the motor and is taken away by cooling water flow, so that the heat generated by the motor is greatly improved, and the overall efficiency of the motor is improved.
Description
The technical field is as follows:
the utility model relates to a coreless rotor water pump and new energy automobile.
Background art:
an electronic water pump for an automobile is an essential core component of a cooling system in a new energy automobile power assembly. In order to improve the integration level of the whole vehicle and the power density of a system, the small size and the light weight of components are imperative. The high integration has the consequence that the heat is more serious, the overall efficiency of the medium and small water pumps is generally below 50 percent, and the large reason is the overhigh temperature rise. A new electronic water pump structure is needed to improve the above problems.
The invention content is as follows:
the utility model aims at providing a coreless rotor water pump solves among the prior art under the background of water pump high integration, reduction volume the water pump generate heat serious, the complete machine efficiency technical problem on the low side.
The purpose of the utility model is realized by the following technical scheme:
a water pump with a hollow cup rotor comprises a pump shell, a water pump impeller, a mechanical seal and a motor, wherein the motor comprises a rotating shaft, a hollow cup, a permanent magnet, a front end cover, a first bearing, a second bearing, a stator component and a cover plate, the pump shell comprises a water inlet positioned at the top, a pump cavity and a water outlet, the water inlet and the water outlet are communicated with the pump cavity, the pump shell is arranged above the front end cover, the front end cover comprises a top plate, an outer sleeve and an inner sleeve, the outer sleeve protrudes downwards from the edge position close to the top plate, a central hole is formed in the middle position of the top plate, the inner sleeve protrudes downwards from the middle position of the top plate, a first cavity in the inner sleeve is communicated with the central hole, the first bearing and the second bearing are respectively arranged in bearing seats arranged at two ends of the inner sleeve, the rotating shaft is supported and, the mechanical seal cover is installed on the rotating shaft, one end of the mechanical seal is propped below the water pump impeller, one end of the mechanical seal extends into the center hole and props up on a step of the center hole, a second cavity is formed between the outer sleeve and the inner sleeve, the tail end of the rotating shaft protrudes out of the inner sleeve and is connected with the hollow cup in an installing mode, the hollow cup is sleeved on the periphery of the inner sleeve, a permanent magnet is installed on the outer side face of the hollow cup, a stator assembly is installed on the inner side wall of the outer sleeve, the stator assembly is sleeved on the periphery of the permanent magnet, the stator assembly, the outer side wall of the hollow cup and.
The permanent magnet is a magnetic ring, and the hollow cup is made of metal materials.
The hollow cup is riveted at the tail end of the rotating shaft through a riveting nut.
The joint of the outer side of the bottom of the pump shell and the front end cover protrudes out of the upper flange, the outer side of the top of the front end cover protrudes out of the lower flange, and the upper flange and the lower flange are installed and connected through a plurality of first screws.
The mechanical seal comprises a seal main body part, a spring and a tray, wherein the seal main body part, the spring and the tray are all sleeved on the rotating shaft, the top of the tray is abutted to the lower side of the water pump impeller, the spring is installed between the seal main body part and the tray, and the lower side of the seal main body part extends into the central hole and abuts against a step of the central hole.
A tapered gasket is arranged between the seal main body part and the first bearing.
The top of the riveting nut is pressed against the lower part of the second bearing.
The outer sleeve is provided with a spigot step, the cover plate is arranged on the spigot step, and the inner sleeve is positioned above the cover plate and is separated from the cover plate by a certain distance.
An annular groove is arranged on the joint surface of the upper flange or the lower flange, and a sealing ring is arranged in the annular groove.
The utility model provides a new energy automobile, includes frame main part, driving motor and cooling system, cooling system include the water pump, its characterized in that: the water pump adopts the hollow cup rotor water pump.
Compared with the prior art, the utility model, following effect has:
1) the utility model has the advantages that the axial size of the water pump motor is greatly reduced by means of the form of the hollow cup rotor; through with pump case and front end housing integration, the integrated level is high, and is small, utilizes water pump cooling rivers cooling, and the front end housing is taken away the most absorption that generates heat of motor and by cooling rivers, has improved generating heat of motor by a wide margin, promotes the complete machine efficiency of motor.
2) Other advantages of the present invention will be described in detail in the examples section.
Description of the drawings:
fig. 1 is an exploded view of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
fig. 5 is an exploded view of the present invention with the pump housing removed;
fig. 6 is a partially enlarged view of a portion C of fig. 3;
fig. 7 is a partially enlarged view of a portion D of fig. 6.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 7, the present embodiment provides a coreless rotor water pump, which includes a pump housing 1, a water pump impeller 2, a mechanical seal 3 and a motor 100, wherein the motor 100 includes a rotating shaft 4, a coreless cup 5, a permanent magnet 6, a front cover 7, a first bearing 81, a second bearing 82, a stator assembly 9 and a cover plate 10, wherein the pump housing 1 includes a water inlet 11, a pump chamber 12 and a water outlet 13 at the top, the water inlet 11 and the water outlet 13 are communicated with the pump chamber 12, the pump housing 1 is installed above the front cover 7, the front cover 7 includes a top plate 71, an outer sleeve 72 and an inner sleeve 73, the outer sleeve 72 protrudes downward near the edge of the top plate 71, a central hole 710 is provided at the middle position of the top plate 71, the inner sleeve 73 protrudes downward at the middle position of the top plate 71, a first cavity 730 inside the inner sleeve 73 is communicated with the central hole 710, the first bearing 81 and the second bearing 82, the rotating shaft 4 is supported and mounted on the first bearing 81 and the second bearing 82, the front end of the rotating shaft 4 passes through the central hole 710 and extends into the pump cavity 12 to be connected with the water pump impeller 2, the mechanical seal 3 is sleeved on the rotating shaft 4, one end of the mechanical seal 3 is propped against the lower part of the water pump impeller 2, one end of the mechanical seal 3 extends into the central hole 710 and props against a step 711 of the central hole 710, a second cavity 720 is formed between the outer sleeve 72 and the inner sleeve 73, the tail end of the rotating shaft 4 protrudes out of the inner sleeve 73 and is connected with the hollow cup 5 in an installing way, the hollow cup 5 is sleeved on the periphery, the permanent magnet 6 is arranged on the outer side surface of the hollow cup 5, the stator assembly 9 is arranged on the inner side wall of the outer sleeve 72, the stator assembly 9 is sleeved on the periphery of the permanent magnet 6, the stator assembly 9, the outer side wall of the hollow cup 5 and the permanent magnet 6 are located in the second cavity 720, and the cover plate 10 is arranged at the bottom of the outer sleeve 72. The utility model has the advantages that the axial size of the water pump motor is greatly reduced by means of the form of the hollow cup rotor; through integrating pump case 1 with front end housing 7, the integrated level is high, and is small, utilizes water pump cooling water flow cooling, and the front end housing is taken away the most absorption that generates heat of motor and by cooling water flow, has improved generating heat of motor by a wide margin, promotes the complete machine efficiency of motor. During operation, the heat generated by the motor 1000 passes through the outer sleeve 72 and the inner sleeve 73, the outer sleeve 72 and the inner sleeve 73 transmit the heat to the top plate 71, and when the cooling water of the pump shell 1 passes through the top plate 71, the heat is taken away at a constant speed, so that the heat generation of the motor is greatly improved, and the overall efficiency of the motor is improved. Because the stator assembly 9 abuts against the outer sleeve 72, the stator assembly 9 quickly transfers heat to the outer sleeve 72, and other heat escaping in the air is absorbed and carried away by the top plate 71, the outer sleeve 72 and the inner sleeve 73.
The permanent magnet 6 is a magnetic ring, the hollow cup 5 is made of metal materials, the hollow cup 5 is riveted at the tail end of the rotating shaft 4 through the riveting nut 51, and the magnetic bearing is simple in structure and convenient to install.
The joint of the outer side of the bottom of the pump shell 1 and the front end cover 7 protrudes out of the upper flange 14, the outer side of the top of the front end cover 7 protrudes out of the lower flange 74, the upper flange 14 and the lower flange 74 are installed and connected through a plurality of first screws, and the pump shell is simple in structure and convenient to install.
The mechanical seal comprises a seal main body part 31, a spring 32 and a tray 33, wherein the seal main body part 31, the spring 32 and the tray 33 are all sleeved on the rotating shaft 4, the top of the tray 33 abuts against the lower part of the water pump impeller 2, the spring 32 is arranged between the seal main body part 31 and the tray 33, the lower part of the seal main body part 31 extends into the central hole 710 and abuts against a step 711 of the central hole 710, and the mechanical seal is good in sealing performance and simple in structure.
The tapered washer 83 is installed between the sealing main body part 31 and the first bearing 81, the tapered washer 83 presses the first bearing 81, and the sealing main body part 31 presses the tapered washer 83 to play a limiting role and prevent axial movement.
The top of the riveting nut 51 is propped against the lower part of the second bearing 82, the riveting nut 51 is in direct contact with the second bearing 82 to play a limiting role, and a retaining ring for a shaft is omitted.
The outer sleeve 72 is provided with a spigot step 721, the cover plate 10 is mounted on the spigot step 721, and the inner sleeve 73 is located above the cover plate 10 and is separated from the cover plate 10 by a distance.
The above-mentioned joint surface of the upper flange 14 or the lower flange 74 is provided with an annular groove 141, and a sealing ring 142 is installed in the annular groove 141 to further provide sealing performance.
Example two:
the utility model provides a new energy automobile, includes frame main part, driving motor and cooling system, cooling system include the water pump, its characterized in that: the water pump adopts the hollow cup rotor water pump of the first embodiment. Utilize water pump cooling water flow cooling, the front end housing absorbs the most absorption that generates heat of motor and is taken away by cooling water flow, has improved generating heat of motor by a wide margin, promotes the complete machine efficiency of motor.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.
Claims (10)
1. The utility model provides a coreless rotor water pump which characterized in that: the pump comprises a pump shell (1), a water pump impeller (2), a mechanical seal (3) and a motor (100), wherein the motor (100) comprises a rotating shaft (4), a hollow cup (5), a permanent magnet (6), a front end cover (7), a first bearing (81), a second bearing (82), a stator assembly (9) and a cover plate (10), the pump shell (1) comprises a water inlet (11), a pump cavity (12) and a water outlet (13) which are positioned at the top, the water inlet (11) and the water outlet (13) are communicated with the pump cavity (12), the pump shell (1) is arranged above the front end cover (7), the front end cover (7) comprises a top plate (71), an outer sleeve (72) and an inner sleeve (73), the outer sleeve (72) protrudes downwards from the edge position close to the top plate (71), a central hole (710) is arranged at the middle position of the top plate (71), the inner sleeve (73), a first cavity (730) inside an inner sleeve (73) is communicated with a central hole (710), a first bearing (81) and a second bearing (82) are respectively arranged inside bearing seats arranged at two ends of the inner sleeve (73), a rotating shaft (4) is supported and arranged on the first bearing (81) and the second bearing (82), the front end of the rotating shaft (4) penetrates through the central hole (710) and extends into a pump cavity (12) to be connected with a water pump impeller (2), a mechanical seal (3) is sleeved on the rotating shaft (4), one end of the mechanical seal (3) is propped below the water pump impeller (2), one end of the mechanical seal (3) extends into the central hole (710) to be propped against a step (711) of the central hole (710), a second cavity (720) is formed between an outer sleeve (72) and the inner sleeve (73), and the tail end of the rotating shaft (4) protrudes out of the inner sleeve (73) and is connected with a hollow cup (5), the hollow cup (5) is sleeved on the periphery of the inner sleeve (73), the permanent magnet (6) is installed on the outer side face of the hollow cup (5), the stator assembly (9) is installed on the inner side wall of the outer sleeve (72), the stator assembly (9) is sleeved on the periphery of the permanent magnet (6), the outer side wall of the stator assembly (9), the hollow cup (5) and the permanent magnet (6) are located in the second cavity (720), and the cover plate (10) is installed at the bottom of the outer sleeve (72).
2. The coreless rotor water pump of claim 1, wherein: the permanent magnet (6) is a magnetic ring, and the hollow cup (5) is made of metal materials.
3. The coreless rotor water pump of claim 2, wherein: the hollow cup (5) is riveted at the tail end of the rotating shaft (4) through a riveting nut (51).
4. A coreless rotor water pump as claimed in claim 1, 2 or 3, wherein: the outer side of the bottom of the pump shell (1) is connected with the front end cover (7) to form an upper flange (14), the outer side of the top of the front end cover (7) is connected with a lower flange (74), and the upper flange (14) and the lower flange (74) are installed and connected through a plurality of first screws.
5. The coreless rotor water pump of claim 4, wherein: the mechanical seal comprises a seal main body part (31), a spring (32) and a tray (33), the seal main body part (31), the spring (32) and the tray (33) are all sleeved on the rotating shaft (4), the top of the tray (33) abuts against the lower side of the water pump impeller (2), the spring (32) is installed between the seal main body part (31) and the tray (33), and the lower side of the seal main body part (31) extends into the central hole (710) and abuts against the step (711) of the central hole (710).
6. The coreless rotor water pump of claim 5, wherein: a tapered washer (83) is mounted between the seal body (31) and the first bearing (81).
7. The coreless rotor water pump of claim 3, wherein: the top of the riveting nut (51) is pressed against the lower part of the second bearing (82).
8. The coreless rotor water pump of claim 4, wherein: the outer sleeve (72) is provided with a spigot step (721), the cover plate (10) is arranged on the spigot step (721), and the inner sleeve (73) is positioned above the cover plate (10) and is separated from the cover plate (10) by a certain distance.
9. The coreless rotor water pump of claim 8, wherein: an annular groove (141) is arranged on the joint surface of the upper flange (14) or the lower flange (74), and a sealing ring (142) is arranged in the annular groove (141).
10. The utility model provides a new energy automobile, includes frame main part, driving motor and cooling system, cooling system include the water pump, its characterized in that: the water pump adopts a hollow cup rotor water pump as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398116.3U CN210033860U (en) | 2019-03-27 | 2019-03-27 | Hollow cup rotor water pump and new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398116.3U CN210033860U (en) | 2019-03-27 | 2019-03-27 | Hollow cup rotor water pump and new energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210033860U true CN210033860U (en) | 2020-02-07 |
Family
ID=69356842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920398116.3U Withdrawn - After Issue CN210033860U (en) | 2019-03-27 | 2019-03-27 | Hollow cup rotor water pump and new energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210033860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869321A (en) * | 2019-03-27 | 2019-06-11 | 中山大洋电机股份有限公司 | A kind of drag cup rotor water pump and new-energy automobile |
-
2019
- 2019-03-27 CN CN201920398116.3U patent/CN210033860U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869321A (en) * | 2019-03-27 | 2019-06-11 | 中山大洋电机股份有限公司 | A kind of drag cup rotor water pump and new-energy automobile |
| CN109869321B (en) * | 2019-03-27 | 2024-03-15 | 中山大洋电机股份有限公司 | Hollow cup rotor water pump and new energy automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220908 Address after: 5th Floor, Office Building, No. 1 Guangfeng Industrial Avenue, West District, Zhongshan City, Guangdong Province, 528400 Patentee after: Dayang electric fuel cell technology (Zhongshan) Co.,Ltd. Address before: 528400 Guangdong province Zhongshan City West sirlon third industrial zone Patentee before: ZHONGSHAN BROAD-OCEAN MOTOR Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200207 Effective date of abandoning: 20240315 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200207 Effective date of abandoning: 20240315 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |